The arbitrary waveform files are stored in the non-volatile memory of the N5182A/N5162A MXG when they ship out of the factory. In case these waveform files are accidentally deleted, a user can retrieve them through either of the following methods...

Keysight software options are licensed to many different types of hardware, using a unique hardware identifier called the Host ID. The Host ID is composed of 1, 2, or 3 elements, depending upon the software model and the target hardware platform.